REPAIRS AND CLEANING OF PS TANKS, UNDERGROUND SUMPS, PAINTING AND ALLIED WORK AT ZAKHAMA MILITARY STATION UNDER AGE(I) ZAKAHAMA

Dismantling and taking down of the existing serviceable/ Unserviceable pressed steel plate of size 1.25 Mtr X 1.25 Mtr X 6 mm thick (bottom and side of the tank) including Nut & Bolts from existing over head pressed steel tank erected on 2.5/4 Mtrs high staging by unscrewing/Opening/cutting the nut bolts joint including joining materials complete all as directed. Note: (a) Serviceable plates shall be segregated and stacked properly in safe custody duly cleaned at site of work for re-use and all other unserviceable plates nut bolts and washers etc shall be removed from site of work as directed. (b) Cost of staging/working platform as involved for the above operation in deemed to be included in the unit rate quoted by the tenderer.

S&F pressed steel plate of Size 1.25M x 1.25M x6.00 mm thick suitable for steel over head tank at 2.5/4 Mtrs high staging as per existing one (as use in bottom side plates) including tightening of Nut, bolt with washers & provision of necessary lead wool/lead pig/lead wire & rubber gasket over and including applying two coats of black bituminous lead free paint (suitable for drinking water) on inner surface and two coats of aluminium paint on outer surface over a coat of red oxide primer after preparation of surface complete all as specified and directed. Note:-Necessary New nuts, bolts, washers will be measured & paid separately

Refixing only serviceable MS plates as obtained from item No. 01 after cleaning/brushing of foreign dust particle as in side & bottom plates of PS overhead tank, fixed with necessary nuts, bolts, washers & provision of necessary lead wool/lead pig/lead wire, rubber gasket etc including applying one coats of black bituminous lead free paint (Suitable for drinking water) on inner surface and one coats of Synthetic enamel paint on outer surface after preparation of old surfaces complete all as specified and directed. Note:-Necessary New nuts, bolts, washers will be measured & paid separately.

Dismantling /Cutting including taking down the existing worn out MS plate top cover of pressed steel tank complete all as specified and directed.

Supply and fix 3.15 mm thick MS plates/ Sheets as in top cover of PS overhead tank 64000/ 10000 Gallons capacity, erected on 2.5/4 Mtrs high staging, fixed with necessary nuts, bolts, washers etc including applying two coats of black bituminous lead free paint (Suitable for drinking water) on inner surface and two coats of Synthetic enemel paint on outer surface over a coat of red oxide primer after preparation of surfaces complete all as specified and directed. Note: Necessary New nuts, bolts, washers will be measured & paid separately.

Refixing serviceable 3.15 mm thick MS plates/Sheets as in top cover as obtained from item No. 4 after cleaning/brushing of foreign dust particle plates of PS overhead tank 10000 Gallons capacity, erected on 2.5/4 Mtrs high staging, fixed with necessary nuts, bolts, washers & provision of necessary rubber gasket etc including applying one coats of black bituminous lead free paint (Suitable for drinking water) on inner surface and one coats of Synthetic enamel paint on outer surface after preparation of old surfaces complete all as specified and directed. Note:-Necessary New nuts, bolts, washers will be measured & paid separately.

Dismantling /Cutting Taking down the existing serviceable/unserviceable Joist, Channel, angle or Tee section from pressed steel tank at the height of 2.5/4 Mtrs high staging complete all as specified and as directed.

S&F MS Joist, channel, angle or tee section of grade Fe-410-S cut to required size & shape for bracings, supports & clamps including welding, bending cold or hot, drilling holes, complete all as specified and directed by Engr-in-Charge.

Refixing of old serviceable mild steel framed work as ladder, cleats as obtained from item No. 07 and similar work in water tank complete all as specified and directed.

M & L for preparation of new untreated surfaces of steel surfaces of any description, exceeding 10 cm width or girth and applying two coats of black bituminous lead free paint (Suitable for drinking water) over a coat of red oxide primer on MS work complete all as specified and as directed.